81989910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{13597}}^1$

素因数の和:13677

約数の個数: 48

約数和(自身を含む): 216371376

約数和(自身を除く): 134381466

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 67, 90, 134, 201, 335, 402, 603, 670, 1005, 1206, 2010, 3015, 6030, 13597, 27194, 40791, 67985, 81582, 122373, 135970, 203955, 244746, 407910, 611865, 910999, 1223730, 1821998, 2732997, 4554995, 5465994, 8198991, 9109990, 13664985, 16397982, 27329970, 40994955, 81989910]

約数ペア:

[(1, 81989910), (2, 40994955), (3, 27329970), (5, 16397982), (6, 13664985), (9, 9109990), (10, 8198991), (15, 5465994), (18, 4554995), (30, 2732997), (45, 1821998), (67, 1223730), (90, 910999), (134, 611865), (201, 407910), (335, 244746), (402, 203955), (603, 135970), (670, 122373), (1005, 81582), (1206, 67985), (2010, 40791), (3015, 27194), (6030, 13597)]