51870285

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 98901504

約数和(自身を除く): 47031219

約数列:

[1, 3, 5, 9, 15, 19, 31, 45, 57, 93, 95, 103, 155, 171, 279, 285, 309, 361, 465, 515, 589, 855, 927, 1083, 1395, 1545, 1767, 1805, 1957, 2945, 3193, 3249, 4635, 5301, 5415, 5871, 8835, 9579, 9785, 11191, 15965, 16245, 17613, 26505, 28737, 29355, 33573, 37183, 47895, 55955, 60667, 88065, 100719, 111549, 143685, 167865, 182001, 185915, 303335, 334647, 503595, 546003, 557745, 910005, 1152673, 1673235, 2730015, 3458019, 5763365, 10374057, 17290095, 51870285]

約数ペア:

[(1, 51870285), (3, 17290095), (5, 10374057), (9, 5763365), (15, 3458019), (19, 2730015), (31, 1673235), (45, 1152673), (57, 910005), (93, 557745), (95, 546003), (103, 503595), (155, 334647), (171, 303335), (279, 185915), (285, 182001), (309, 167865), (361, 143685), (465, 111549), (515, 100719), (589, 88065), (855, 60667), (927, 55955), (1083, 47895), (1395, 37183), (1545, 33573), (1767, 29355), (1805, 28737), (1957, 26505), (2945, 17613), (3193, 16245), (3249, 15965), (4635, 11191), (5301, 9785), (5415, 9579), (5871, 8835)]