194857785

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{461}}^1$

素因数の和:607

約数の個数: 64

約数和(自身を含む): 361912320

約数和(自身を除く): 167054535

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 101, 135, 155, 279, 303, 461, 465, 505, 837, 909, 1383, 1395, 1515, 2305, 2727, 3131, 4149, 4185, 4545, 6915, 9393, 12447, 13635, 14291, 15655, 20745, 28179, 42873, 46561, 46965, 62235, 71455, 84537, 128619, 139683, 140895, 214365, 232805, 385857, 419049, 422685, 643095, 698415, 1257147, 1443391, 1929285, 2095245, 4330173, 6285735, 7216955, 12990519, 21650865, 38971557, 64952595, 194857785]

約数ペア:

[(1, 194857785), (3, 64952595), (5, 38971557), (9, 21650865), (15, 12990519), (27, 7216955), (31, 6285735), (45, 4330173), (93, 2095245), (101, 1929285), (135, 1443391), (155, 1257147), (279, 698415), (303, 643095), (461, 422685), (465, 419049), (505, 385857), (837, 232805), (909, 214365), (1383, 140895), (1395, 139683), (1515, 128619), (2305, 84537), (2727, 71455), (3131, 62235), (4149, 46965), (4185, 46561), (4545, 42873), (6915, 28179), (9393, 20745), (12447, 15655), (13635, 14291)]