231931575

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:501

約数の個数: 72

約数和(自身を含む): 441043200

約数和(自身を除く): 209111625

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 227, 239, 285, 475, 681, 717, 855, 1135, 1195, 1425, 2043, 2151, 3405, 3585, 4275, 4313, 4541, 5675, 5975, 10215, 10755, 12939, 13623, 17025, 17925, 21565, 22705, 38817, 40869, 51075, 53775, 54253, 64695, 68115, 107825, 113525, 162759, 194085, 204345, 271265, 323475, 340575, 488277, 813795, 970425, 1021725, 1030807, 1356325, 2441385, 3092421, 4068975, 5154035, 9277263, 12206925, 15462105, 25770175, 46386315, 77310525, 231931575]

約数ペア:

[(1, 231931575), (3, 77310525), (5, 46386315), (9, 25770175), (15, 15462105), (19, 12206925), (25, 9277263), (45, 5154035), (57, 4068975), (75, 3092421), (95, 2441385), (171, 1356325), (225, 1030807), (227, 1021725), (239, 970425), (285, 813795), (475, 488277), (681, 340575), (717, 323475), (855, 271265), (1135, 204345), (1195, 194085), (1425, 162759), (2043, 113525), (2151, 107825), (3405, 68115), (3585, 64695), (4275, 54253), (4313, 53775), (4541, 51075), (5675, 40869), (5975, 38817), (10215, 22705), (10755, 21565), (12939, 17925), (13623, 17025)]