161919045

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 314496000

約数和(自身を除く): 152576955

約数列:

[1, 3, 5, 9, 15, 19, 31, 41, 45, 57, 93, 95, 123, 149, 155, 171, 205, 279, 285, 369, 447, 465, 589, 615, 745, 779, 855, 1271, 1341, 1395, 1767, 1845, 2235, 2337, 2831, 2945, 3813, 3895, 4619, 5301, 6109, 6355, 6705, 7011, 8493, 8835, 11439, 11685, 13857, 14155, 18327, 19065, 23095, 24149, 25479, 26505, 30545, 35055, 41571, 42465, 54981, 57195, 69285, 72447, 87761, 91635, 116071, 120745, 127395, 189379, 207855, 217341, 263283, 274905, 348213, 362235, 438805, 568137, 580355, 789849, 946895, 1044639, 1086705, 1316415, 1704411, 1741065, 2840685, 3598201, 3949245, 5223195, 8522055, 10794603, 17991005, 32383809, 53973015, 161919045]

約数ペア:

[(1, 161919045), (3, 53973015), (5, 32383809), (9, 17991005), (15, 10794603), (19, 8522055), (31, 5223195), (41, 3949245), (45, 3598201), (57, 2840685), (93, 1741065), (95, 1704411), (123, 1316415), (149, 1086705), (155, 1044639), (171, 946895), (205, 789849), (279, 580355), (285, 568137), (369, 438805), (447, 362235), (465, 348213), (589, 274905), (615, 263283), (745, 217341), (779, 207855), (855, 189379), (1271, 127395), (1341, 120745), (1395, 116071), (1767, 91635), (1845, 87761), (2235, 72447), (2337, 69285), (2831, 57195), (2945, 54981), (3813, 42465), (3895, 41571), (4619, 35055), (5301, 30545), (6109, 26505), (6355, 25479), (6705, 24149), (7011, 23095), (8493, 19065), (8835, 18327), (11439, 14155), (11685, 13857)]