61490745

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:228

約数の個数: 80

約数和(自身を含む): 118831680

約数和(自身を除く): 57340935

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 61, 81, 95, 131, 135, 171, 183, 285, 305, 393, 405, 513, 549, 655, 855, 915, 1159, 1179, 1539, 1647, 1965, 2489, 2565, 2745, 3477, 3537, 4941, 5795, 5895, 7467, 7695, 7991, 8235, 10431, 10611, 12445, 17385, 17685, 22401, 23973, 24705, 31293, 37335, 39955, 52155, 53055, 67203, 71919, 93879, 112005, 119865, 151829, 156465, 201609, 215757, 336015, 359595, 455487, 469395, 647271, 759145, 1008045, 1078785, 1366461, 2277435, 3236355, 4099383, 6832305, 12298149, 20496915, 61490745]

約数ペア:

[(1, 61490745), (3, 20496915), (5, 12298149), (9, 6832305), (15, 4099383), (19, 3236355), (27, 2277435), (45, 1366461), (57, 1078785), (61, 1008045), (81, 759145), (95, 647271), (131, 469395), (135, 455487), (171, 359595), (183, 336015), (285, 215757), (305, 201609), (393, 156465), (405, 151829), (513, 119865), (549, 112005), (655, 93879), (855, 71919), (915, 67203), (1159, 53055), (1179, 52155), (1539, 39955), (1647, 37335), (1965, 31293), (2489, 24705), (2565, 23973), (2745, 22401), (3477, 17685), (3537, 17385), (4941, 12445), (5795, 10611), (5895, 10431), (7467, 8235), (7695, 7991)]