15721799115

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1\times {\mathrm{6659}}^1$

素因数の和:7068

約数の個数: 64

約数和(自身を含む): 28195776000

約数和(自身を除く): 12473976885

約数列:

[1, 3, 5, 11, 15, 33, 41, 55, 123, 165, 205, 349, 451, 615, 1047, 1353, 1745, 2255, 3839, 5235, 6659, 6765, 11517, 14309, 19195, 19977, 33295, 42927, 57585, 71545, 73249, 99885, 157399, 214635, 219747, 273019, 366245, 472197, 786995, 819057, 1098735, 1365095, 2323991, 2360985, 3003209, 4095285, 6971973, 9009627, 11619955, 15016045, 25563901, 34859865, 45048135, 76691703, 95283631, 127819505, 285850893, 383458515, 476418155, 1048119941, 1429254465, 3144359823, 5240599705, 15721799115]

約数ペア:

[(1, 15721799115), (3, 5240599705), (5, 3144359823), (11, 1429254465), (15, 1048119941), (33, 476418155), (41, 383458515), (55, 285850893), (123, 127819505), (165, 95283631), (205, 76691703), (349, 45048135), (451, 34859865), (615, 25563901), (1047, 15016045), (1353, 11619955), (1745, 9009627), (2255, 6971973), (3839, 4095285), (5235, 3003209), (6659, 2360985), (6765, 2323991), (11517, 1365095), (14309, 1098735), (19195, 819057), (19977, 786995), (33295, 472197), (42927, 366245), (57585, 273019), (71545, 219747), (73249, 214635), (99885, 157399)]