31591755

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:457

約数の個数: 64

約数和(自身を含む): 61931520

約数和(自身を除く): 30339765

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 47, 65, 117, 135, 141, 195, 235, 351, 383, 423, 585, 611, 705, 1149, 1269, 1755, 1833, 1915, 2115, 3055, 3447, 4979, 5499, 5745, 6345, 9165, 10341, 14937, 16497, 17235, 18001, 24895, 27495, 44811, 51705, 54003, 74685, 82485, 90005, 134433, 162009, 224055, 234013, 270015, 486027, 672165, 702039, 810045, 1170065, 2106117, 2430135, 3510195, 6318351, 10530585, 31591755]

約数ペア:

[(1, 31591755), (3, 10530585), (5, 6318351), (9, 3510195), (13, 2430135), (15, 2106117), (27, 1170065), (39, 810045), (45, 702039), (47, 672165), (65, 486027), (117, 270015), (135, 234013), (141, 224055), (195, 162009), (235, 134433), (351, 90005), (383, 82485), (423, 74685), (585, 54003), (611, 51705), (705, 44811), (1149, 27495), (1269, 24895), (1755, 18001), (1833, 17235), (1915, 16497), (2115, 14937), (3055, 10341), (3447, 9165), (4979, 6345), (5499, 5745)]