31955235

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 58426368

約数和(自身を除く): 26471133

約数列:

[1, 3, 5, 13, 15, 37, 39, 43, 65, 103, 111, 129, 185, 195, 215, 309, 481, 515, 555, 559, 645, 1339, 1443, 1545, 1591, 1677, 2405, 2795, 3811, 4017, 4429, 4773, 6695, 7215, 7955, 8385, 11433, 13287, 19055, 20085, 20683, 22145, 23865, 49543, 57165, 57577, 62049, 66435, 103415, 148629, 163873, 172731, 247715, 287885, 310245, 491619, 743145, 819365, 863655, 2130349, 2458095, 6391047, 10651745, 31955235]

約数ペア:

[(1, 31955235), (3, 10651745), (5, 6391047), (13, 2458095), (15, 2130349), (37, 863655), (39, 819365), (43, 743145), (65, 491619), (103, 310245), (111, 287885), (129, 247715), (185, 172731), (195, 163873), (215, 148629), (309, 103415), (481, 66435), (515, 62049), (555, 57577), (559, 57165), (645, 49543), (1339, 23865), (1443, 22145), (1545, 20683), (1591, 20085), (1677, 19055), (2405, 13287), (2795, 11433), (3811, 8385), (4017, 7955), (4429, 7215), (4773, 6695)]